A & P Chap. 4 Tissues

Which of the following accurately describe the basement membrane which underlies epithelial tissues?

Epithelial cancers may have the ability to penetrate through the basement membrane and spread to underlying tissues

Intercalated discs and striations are both characteristics of skeletal muscle. True False

False

Tendons and ligaments are composed mainly of dense irregular connective tissue. True False

False

The basic difference between dense irregular and dense regular connective tissues is in the amount of elastic fibers and adipose cells present True False

False

stratified epithelium

Multiple layers of cells.

cardiac muscle

Muscle of the heart

What is mesothelium?

The epithelium of serous membranes in the ventral body cavity

What is the cutaneous membrane?

The skin, a dry membrane with a keratinizing epithelium (the epidermis).

Simple cuboidal epithelia are usually found in areas where secretion and absorption occur. True false

True

simple squamous epithelium

allows passage of materials by diffusion and filtration

proper dense elastic

allows tissue to recoil after stretching

Haversian canal

any of the minute tubes that form a network in bone and contain blood vessels.

Epitherlial tissue can either be classified by ______ or ________

arrangement of the cells or typical cell shape

What is the basal surface of epithelia?

attached to the underlying connective tissue

proper dense regular connective tissue

attaches muscle to bones

transitional epithelium is found in...

bladder

Which of the following is NOT found in cartilage but is found in bone?

blood vessels

osteocyte

bone cell

Which tissues have little to no functional regenerative capacity?

cardiac muscle and nervous tissue

What is endothelium?

cell lining of blood vessels

chondroblasts in cartilage become...

chondrocytes

blood tissue

circulates throughout the body

The fiber type that gives connective tissue great tensile strength is ________.

collagen

What is the name of the shape of cells with longer height and shorter width?

columnar epithelium

You observe a uniform tissue under a microscope. There is no lumen. The material looks densely packed, but you do not observe many nuclei. It appears that there are strands of fibers running in parallel directions. What type of tissue are you looking at?

connective tissue

What are the types of connective tissue?

connective tissue proper, cartilage, bone, blood

Which of the following is NOT a characteristic of nervous tissue? provides support and insulation creates linings highly branched cells capable of transmitting electricity

creates linings

What is the name for similar height and width cells?

cuboidal epithelium

Which of the following is a modification of the simple columnar epithelium that allows for efficient absorption along portions of the digestive tract? fibroblasts thin and permeable cilia dense microvilli

dense microvilli

simple columnar is found in...

digestive tract

Glands, such as the thyroid, that secrete their products directly into the blood rather than through ducts are classified as ________.

endocrine

What are the types of tissues?

epithelial, connective, muscle, nervous

What tissue type has polarity and is avascular?

epithelium

loose adipose connective tissue

fat

proper loose reticular connective tissue

fibers form soft internal skeleton to support other cell types

Fibroblasts in connective tissue become...

fibroctyes

smooth muscle

found in internal organs

What are holocrine glands?

glands that release entire cells

What is the study of tissues?

histology

The first step in tissue repair involves ________.

inflammation

cardiac and smooth are referred to as ________ _______ due to our unconscious control of them

involuntary muscle

Which of the following is an example of pseudostratified epithelium?

lining of the trachea

Based on its function, where would you likely find simple squamous epithelium?

lung air sacs and capillary walls

Cartilage elastic

maintains the shape of a structure while allowing great flexibility

bone tissue

mineralized and forms the skeleton

skeletal muscle cells are called....

muscle fibers

What does avascular mean?

no blood vessels

What is the apical surface of epithelia?

not attached to surrounding tissue and exposed to the outside of the body/cavity

The primary blast cell for bone is the ________.

osteoblast

osteoblasts in bone become...

osteocytes

What is the matrix?

plasma, anything not cellular

What does stratified squamous epithelium do?

protects underlying tissues in areas subjected to abrasion

proper dense irregular

provides structural strength

Loose connective tissue, areolar

provides support, holds fluids, defends against infection. stores fat, wraps and cushions organs

What is it called when it looks like there are multiple layers of epithelium but is actually not?

psuedostratified epithelium

simple cuboidal epithelium is used for...

secretion and absorption

What is one epithelial layer called?

simple epithelium

What kind of tissue is this?

simple epithelium

Under a microscope you observe a tissue that appears to have long fibers that appear striated. The nuclei are pushed off to the side of the fibers. The tissue looks very vascular. What type of tissue are you observing?

skeletal muscle tissue

What are the types of muscle tissue?

skeletal, cardiac, smooth

What is it called when cells are flattened, and scale-like?

squamous epithelium

What is multiple layers of epithelium called?

stratified epithelium

What function do transitional epithelia have?

stretching

skeletal muscle

striated, voluntary, multinucleated

osteon

structural unit of compact bone

cartilage hyaline

supports and reinforces

Epithelial tissue is typically localized to the following region(s) of the body...

surfaces of organs, walls of cavities, outer surface of the body, and in glands of the body

cartilage fibrocartilage

tensile strength with ability to absorb compressive shock

What are mucous membranes?

the membranes that line body cavities that open to the outside of the body

Which types of cell junctions are needed in a mucosal membrane, such as the digestive tract?

tight junctions

What is the function of ciliated epithelium?

to move fluids across the tissue surface

What is the location of transitional epithelia?

urinary system

skeletal muscle is often referred to as _______ ______ due to its conscious control of contraction

voluntary muscle